Bob often _______ two hours ________ his homework.
—Why doesn’t Li Ming want to go swimming with us? —Because he is _________ getting into water.
The desk is ________ the way. Please carry it to an empty room.
People, especially teens, think it great fun to surf on Internet.
—Could you tell me ______ ? —Glad to help.
Neither I nor he ______ compared the prices of the PC, so ______ he ______ I decided to know more before buying it.